this.http.get('/api/data').pipe(retry(3)).subscribe( data => { // Process the data }, error => { // Final error handling } ); 三、错误通知: 用户和系统都需要知道错误发生了,因此错误通知非常重要。 用户级错误反馈: 将错误信息以友好的方式展示给用户。这可以通过弹窗、通知条或特定的错误...
import { NgModule, ErrorHandler } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { HttpClientModule } from '@angular/common/http'; import { AppComponent } from './app.component'; import { ErrorHandlingService } from './error-handling.service'; imp...
我得到了以下错误消息："ERROR in ./src/app/ployee.service.ts module not found: Error: Can't r...
//Error handling需要先加载,使用Injector手动注入服务 constructor(private injector: Injector) {} handleError(error: Error | HttpErrorResponse) { const notifier = this.injector.get(NotificationService); if (!navigator.onLine) { //console.error("Browser Offline!"); notifier.showError("Browser Offline!
}catch(error) {if(errorinstanceofHttpErrorResponse) { const errorResponse=error; console.log('error status', errorResponse.status);//400} } 如果我们希望获取到 Response Status 甚至整个 Response,我们可以这样设置 const response =await firstValueFrom(this.httpClient.get<Product[]>('https://192.168....
但是现在，当我尝试编写一些post/put请求时，我们必须订阅，所以我有点困惑，我应该在哪里修改我的组件...
intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> { return next.handle(request).pipe(tap((event: HttpEvent<any>) => {}, (err: any) => { if (err instanceof HttpErrorResponse) { // do error handling here ...
error=>console.log(error) ) } } ng 支持 formData, 关键就是别自己去写 Content-Type header, ng 会帮我们写好的. 拦截 不像ng1 那样,ng 并没有给我们一个拦截的接口, 不过我们可以通过简单的继承+override 来达到目的. refer : http://stackoverflow.com/questions/34934009/handling-401s-globally-with...
import { ErrorHandler, Injectable, Injector } from "@angular/core";import { HttpErrorResponse } from "@angular/common/http";// Servicesimport { NotificationService } from "../services/notification.service";@Injectable()export class ErrorsHandler implements ErrorHandler {//Error handling需要先加载,...
.error(function(data, status, headers, config) { console.log(status); }; Here is header information for the JSONP call Request URL:http://host:8900/api/cancellations?callback=angular.callbacks._0 Request Method:GET Status Code:401 Unauthorized ...